We're finding out now, after episode five of "Project Runway." Tempers boiled over during Thursday's challenge on the Lifetime reality series, and local designer Ken Laurence was in the thick of things.

Laurence, 24, found himself paired with Sue Waller and Alexandria von Bromssen, tasked with creating a mini-collection from unconventional materials. The contestants had to design three high-fashion looks, choosing items from a vintage wallpaper shop, a party-goods store and a specialty grocery.

Tension erupted from the get-go, as Laurence grimaced and made his displeasure clear. Waller dithered in dismay and indecision; von Bromssen seemed stuck in inarticulate limbo. The three contestants simply did not get along -- due to clashes in personality, taste, skill level and vision -- and their designs showed it.

They ended up as the losing team, and Waller was eliminated. Just as important, though: Laurence was portrayed as a domineering diva. The episode highlighted his snarky facial expressions, cutting comments and hostile attitude. Even mentor Tim Gunn found Laurence intimidating,